Keep your eyes protected and your face looking stylish with the Revo Backbay sunglasses. They feature Serilium lenses that use highly purified polycarbonate for excellent clarity and durability. Element Shed lens treatment means sweat, grease, and water won't stick to the lens keeping your vision nice and clear all day long. High grade nylon frames are molded from recycled materials for boosted sustainability and stem socks and pads at the nose and temples grip well even when you perspire.